Professional ratings
Aggregate scores
Source	Rating
Metacritic	78/100
Review scores
Source	Rating
About.com
AllMusic
The A.V. Club	A–
Chicago Tribune
Consequence of Sound
musicOMH
Now
Pitchfork Media	7.3/10
PopMatters	8/10
Spin	5/10

World Painted Blood is the eleventh studio album by American thrash metal band Slayer. It was released through American Recordings and Sony Music on November 3, 2009 and was produced by Greg Fidelman and executively produced by Rick Rubin. It is the band's only album produced by Greg Fidelman. With much anticipation for the album after 2006's Christ Illusion, members of Slayer were revealing information about the album since early 2009.

There were four different artworks released for the album, each which completed one-fourth of a map, that when put together, illustrates the earth painted with red. There are eleven tracks on the album, with origins illustrating death and destruction, war, serial killers, and the Apocalypse. It is the band's first studio album to be played mostly in E-flat tuning since Divine Intervention. World Painted Blood is the last Slayer album to feature the band's original lineup, as drummer Dave Lombardo was fired from the band and guitarist Jeff Hanneman died of alcohol-related cirrhosis, both in 2013.

Three singles were released from the album: "Psychopathy Red", "Hate Worldwide", and "World Painted Blood". "Psychopathy Red" leaked onto the internet over a year before its release, and was released as a seven–inch single on April 18, 2009. The album received generally positive reviews from music critics. It was praised by The A.V. Club, who said that the "resounding success in that regard: It's eclectic, but never self-consciously so." "Hate Worldwide" and "World Painted Blood" were both nominated for Best Metal Performance at the 53rd and 54th Grammy Awards, respectively. The album peaked at number two on the US Top Hard Rock Albums chart, as well as twelve on the Billboard 200 and forty-one on the United Kingdom album chart.

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